3 The shaded triangle is a reflection of the white triangle in the mirror line.
a)
Write down the coordinates of point A.
mirror line
(5,9)
b) Write down the equation of the mirror line.
(2 Points)

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.